Modern drag and drop offers new possibilities, such as various options to customize visual feedback. Learn how to implement drag and drop in XAML applications and leverage the new features to offer a rich user experience without impacting application responsiveness.

There are now three ways for developers to create iOS apps on the Microsoft platform: Visual Studio 2015 Tools for Apache Cordova, the cross-platform agent in Visual Studio Online, and the new Visual Studio Code cross-platform editor.

Any action is a command or a query—but never both. A command alters the system state. A query reports on the state of the system. This is sometimes referred to as the Command-Query Responsibility Segregation, a potentially groundbreaking architecture.

Clustering is useful for revealing patterns in huge sets of data. One of the most common clustering techniques is the k-means algorithm. This article explains a relatively recent variation called k-means++, which improves the selection of initial means.